Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9108677 | End dump trailer | Yowin Daniel Yowin, Taylor James Ritz | 2015-08-18 |
| 5660237 | Castering wheel assemblies for an auto-fold agricultural drawbar | Stanley Joseph Boyko, Garry Kupchinski | 1997-08-26 |
| 5355963 | Rotary or active harrow | Stanley Joseph Boyko | 1994-10-18 |
| 5251704 | Detachable harrow sprayer | Gerard Bourgault | 1993-10-12 |